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stiks02 [169]
3 years ago
9

The following table lists the speed of sound in various materials. Use this table to answer the question.

Chemistry
2 answers:
defon3 years ago
5 0

Answer:

4.9sec

Explanation:

Lynna [10]3 years ago
4 0

Answer: Time taken by a sound impulse to travel through an aluminum rod 25 kilometers long is 4.9 seconds.

Solution:

Length of aluminium rod = 25 km = 25000 m (1 km=1000 m)

Time taken by sound to travel through aluminium = 5100 m/s (from the table given)

speed=\frac{distance}{time}=\frac{25000 m}{\text{time taken}}

time taken =\frac{distance}{speed}=\frac{25000 m}{5100 m/s}=4.9019 seconds\approx 4.9 seconds

Hence, the correct option is 4.9 seconds.

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